Plant Physiology-Plant Growth and Development (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology): Questions 1 - 7 of 48

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Question number: 1

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

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MCQ▾

Question

A potted plant placed near the window bends outwardly due to

Choices

Choice (4) Response

a.

Greater light availability to tip.

b.

Greater oxygen availability to the tip.

c.

More auxin content on the shaded side.

d.

Availability of necessary warmth to the tip.

Question number: 2

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

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Question

Which combination of gases is suitable for fruit ripening?

Choices

Choice (4) Response

a.

80 % CH4 and 20 % CO2

b.

80 % C2H4 and 20 % CO2

c.

80 % CO2 and 20 % CH2

d.

80 % CO2 and 20 % O2

Question number: 3

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

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Question

Which of the following is not naturally occurring plant hormone?

Choices

Choice (4) Response

a.

GA2

b.

IAA

c.

Gibberellin

d.

2,4-D

Question number: 4

» Plant Physiology » Plant Growth and Development » Seed Dormancy

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Question

Legume seeds exhibit dormancy because of

Choices

Choice (4) Response

a.

Absence of cytokinins.

b.

Absence of gibberellic acid.

c.

Hard seed coat.

d.

Undeveloped employs.

Question number: 5

» Plant Physiology » Plant Growth and Development » Conditions of Growth

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Question

A pair of insectivorous plants is

Choices

Choice (4) Response

a.

Dionaea and Viscum

b.

Nepenthes and Bladderwort

c.

Venus fly trap and Rafflesia

d.

Drosera and Rafflesia

Question number: 6

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

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MCQ▾

Question

Differentiation of shoot is controlled by

Choices

Choice (4) Response

a.

High gibberellin: auxin ratio.

b.

High gibberellin: cytokinin ratio.

c.

High auxin: cytokinin ratio.

d.

High cytokinin: auxin ratio.

Question number: 7

» Plant Physiology » Plant Growth and Development » Conditions of Growth

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MCQ▾

Question

Santalum album is

Choices

Choice (4) Response

a.

partial stem parasite

b.

total root parasite

c.

total stem parasite

d.

partial root parasite

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